intel_scu_ipcutil: underflow in scu_reg_access()

[firefly-linux-kernel-4.4.55.git] / drivers / platform / x86 / intel_scu_ipcutil.c

diff --git a/drivers/platform/x86/intel_scu_ipcutil.c b/drivers/platform/x86/intel_scu_ipcutil.c
index 02bc5a6343c3fbeeb34b00ef282ba5f31ceff96a..aa454241489c9f541864f34828e19318514d3560 100644 (file)
--- a/drivers/platform/x86/intel_scu_ipcutil.c
+++ b/drivers/platform/x86/intel_scu_ipcutil.c
@@ -49,7 +49,7 @@ struct scu_ipc_data {
 
 static int scu_reg_access(u32 cmd, struct scu_ipc_data  *data)
 {
-       int count = data->count;
+       unsigned int count = data->count;
 
        if (count == 0 || count == 3 || count > 4)
                return -EINVAL;